typedef void (*mongoc_apm_server_heartbeat_failed_cb_t) (

       MongoDB, Inc

       2009-present, MongoDB, Inc.

1.30.4                                            Jun 08, 2025      MONGOC_APM_SET_SERVER_HEARTBEAT_FAILED_CB(3)

       • callbacks: A mongoc_apm_callbacks_t.

       • cb: A function to call with a mongoc_apm_server_heartbeat_failed_t whenever the driver fails to send  a
         "hello" command to check the status of a server.

       SEEALSO:IntroductiontoApplicationPerformanceMonitoring

          typedef void (*mongoc_apm_server_heartbeat_failed_cb_t) (
             const mongoc_apm_server_heartbeat_failed_t *event);

          void
          mongoc_apm_set_server_heartbeat_failed_cb (mongoc_apm_callbacks_t *callbacks,
                                                     mongoc_apm_server_heartbeat_failed_cb_t cb);

       Receive  an event notification whenever the driver fails to send a "hello" command to check the status of
       a server.